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Finding the Fourth Proportional to 27,636.40, 41,405.80 and 26,722.80

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Solution

The fourth proportional to 27,636.40, 41,405.80 and 26,722.80 is: 40,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,636.40 : 41,405.80 = 26,722.80 : x
  2. Step 2: Convert to fraction form
    27,636.40/41,405.80 = 26,722.80/x
  3. Step 3: Cross multiply
    27,636.40x = 41,405.80 × 26,722.80
  4. Step 4: Simplify right side
    27,636.40x = 1,106,478,912.24
  5. Step 5: Solve for x
    x = 1,106,478,912.24/27,636.40
  6. Step 6: Final answer
    x = 40,037.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.